Company profile · Builders
Mitford Construction Ltd
Mitford Construction Ltd is a newly incorporated private limited company registered in London, company number 16980765, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 22 October 2027, and its first CT600 is due at HMRC on 21 January 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Mitford Construction Ltd is registered
The registered office is in London (SE21), in the Southwark local authority area, London. Show SE21 8PB on a map.
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What happens if Mitford Construction Ltd files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 22 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 23 Oct 2027 to 22 Nov 2027 | £150 |
| 1 to 3 months late | 23 Nov 2027 to 22 Jan 2028 | £375 |
| 3 to 6 months late | 23 Jan 2028 to 22 Apr 2028 | £750 |
| More than 6 months late | From 23 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 2029 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 16980765
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 January 2026
- Registered office
- Flat 7, Dashwood House, Kingswood Estate, London, SE21 8PB
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in London
Other active building contractors registered in London.
- Mitgate Group Ltd2026
- Mitko Marinov Ltd2020
- Mitra Construction Ltd2025
- Mivar Ltd2021
- Mizan Construction & Consultancy Ltd2021
- MJ Build & Design Limited2026
- MJ Builders Solution Ltd2025
- MJ Carpenters Ltd2014
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Mitford Construction Ltd's accounts due?
Mitford Construction Ltd's next accounts are due at Companies House by 22 October 2027 (in 375 days), covering the period to 31 January 2027.
When is Mitford Construction Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 21 January 2027, due by 21 January 2028, and one for the period to 31 January 2027, due by 31 January 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Mitford Construction Ltd still trading?
Mitford Construction Ltd is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Mitford Construction Ltd do?
Mitford Construction Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Mitford Construction Ltd?
Mitford Construction Ltd was incorporated on 22 January 2026, less than a year ago.
What is the penalty if Mitford Construction Ltd files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Mitford Construction Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.